Make Rhoton Proud
Name the following structures indicated by the arrow on the lateral projection angiogram
What is the Vein of Labbe?
Astrocytomas with an IDH mutation often exhibit this imaging characteristic
What is T2/FLAIR mismatch?
A 58-year-old man has had headache and difficulties with memory and word-finding problems for the past four days. He has a history of colonic polyps. On examination, he is moderately confused. Temperature is 38.3°C (101°F). MR scans are shown. Which of the following is the most appropriate next step in management?
What is surgical aspiration of the abscess?
A 2-year-old male infant is a passenger in a motor vehicle collision. A CT scan of the head shows no abnormalities. A CT scan of the cervical spine at C3 reveals the findings demarcated by the arrows in the image shown. Neurological examination shows no abnormalities. It should be explained to the family and emergency department staff that the findings indicated by the arrows represent which of the following?
What are synchondroses/ossification center?
The most sensitive but noninvasive test for detecting a venous air embolism
What is a precordial Doppler?
This structure is the brain's primary source of norepinephrine
What is the locus coeruleus?
This is the most prevelant excitatory neurotransmitter in the CNS
What is glutamate?
A 55-year-old woman with Parkinson disease and severe dyskinesias undergoes implantation of a deep brain stimulation electrode in the globus pallidus interna. Upon activation, which of the following adverse effects would indicate that the electrode has been placed too deep?
What are phosphenes?
Occlusion of the artery depicted in the angiogram shown would result in what neurological deficits?
Whata is paraplegia?
This organism is the most common cause of postoperative shunt infections
What is Staph epidermis/coagulase-negative staphylococci?
This structure correlates to the most reliable BAER wave
What is the inferior colliculus?
A 7-year-old boy presents to the ED with 2 week history of positional headaches and nausea vomiting. He was found to have a large cystic posterior fossa tumor and underwent surgery. The pathology of the tumor is shown in the picture. Name the component(s) of the that need to be resected.
What is the mural nodule?
This trial famously demonstrated that early decompressive frontotemporal craniectomies for trauma decreased ICPs but did not improve long term functional outcome
What is DECRA?
What is the SPORT trial?
A 25-year-old man is brought to the emergency department. He is bleeding profusely from extensive lower facial fractures. Pulse is 84/min, blood pressure is 110/65 mmHg, and oxygen saturation is 85%. Which of the following interventions is the most appropriate initial step in management?
What is secure airway with cricothyroidotomy?
The infratentorial dura is innervated by these nerves
What are the nerve roots of C2 and C3 and CN X?
A 37-year-old Hispanic woman with intractable epilepsy undergoes surgery for a right frontal lesion. Pathology shows irregular vascular channels without intervening neural parenchyma. There are no large feeding arteries or large feeding veins. Her mother has the same disease. Mutations in which genes are associated with this disease and what is the inheretance pattern?
What is CCM1-3? What is autosomal dominant?
This Suzuki Grade is characterized by the development of ECA collaterals.
What is Suzuki Grade 4?
An axial non-contrast T1-weighted MR image of the lumbar spine at the L3 level of a 7-year-old girl is shown.The patient most likely has a history of this condition.
What is a tethered spinal cord/filum terminale lipoma?
A 60-year-old woman with atrial fibrillation presents with a large right frontal intracerebral hematoma requiring urgent surgical evacuation. Medications include dabigatran (Pradaxa) 150 mg twice daily and lisinopril 10 mg twice daily. Which of the following is the most appropriate next step in management?
What is give Idarucizumab (Praxbind ®)?
The supplementary motor cortex receives projections from this thalamic nuclei
What is the ventral anterior nucleus (VA)?
The caudal neuropore closes on this post-ovulatory day
What is day 26-28?
Name the artery indicated by the arrow in the CTA shown
What is the hypoglossal artery?
To preserve urinary continence in a patient undergoing resection of a sacral chordoma, which of the following nerve roots must be left intact?
What are bilateral S3 nerve roots?
A cranial vault reconstruction with fronto-orbital advancement is performed on an 11-month-old infant with bilateral coronal synostosis who weighs 24 lb (11 kg). Estimated blood loss is 250 mL. Approximately what percentage of this infant's initial blood volume has been lost?
What is 30%?